Page 2 - INSTALLATION
2 ELECTRICAL SHOCK HAZARD Failure to follow this warning could cause in personal injury or death.Before performing service or maintenance operations on unit, always turn off main power switch to unit and install lockout tag. Unit may have more than one power switch. ! WARNING UNIT OPERATION AND SAFE...
Page 3 - Table 1A — 40RUA Physical Data, English — Cooling Units; Throwaway — Factory Supplied
3 Table 1A — 40RUA Physical Data, English — Cooling Units UNIT 40RUA* 25 28 30 NOMINAL CAPACITY (Tons) 20 25 30 OPERATING WEIGHT (lb) Base Unit with TXV 730 1050 1062 Plenum 225 325 325 FANS Qty...Diam. (in.) 2...15 2...18 2...18 Nominal Airflow (cfm) 8000 10000 12000 Airflow Range (cfm) 6000 – 1000...
Page 4 - Table 1B — 40RUA Physical Data, SI — Cooling Units
4 Table 1B — 40RUA Physical Data, SI — Cooling Units UNIT 40RUA* 25 28 30 NOMINAL CAPACITY (kW) 70 87 105 OPERATING WEIGHT (kg) Base Unit with TXV 331 477 482 Plenum 102 148 148 FANS Qty...Diam. (mm) 2...381 2...457 2...457 Nominal Airflow (L/s) 3775 4119 5663 Airflow Range (L/s) 2831 – 4719 3539 – ...
Page 5 - Table 1C — 40RUQ Physical Data, English — Heat Pump Units
5 Table 1C — 40RUQ Physical Data, English — Heat Pump Units UNIT 40RUQ* 25 NOMINAL CAPACITY (Tons) 20 OPERATING WEIGHT (lb) Base Unit with TXV 720 Plenum 140 FANS Qty...Diam. (in.) 2...15 Nominal Airflow (cfm) 8000 Airflow Range (cfm) 6000 --- 10000 Nominal Motor Hp (Standard Motor) 208/230 --- 3 --...
Page 6 - Table 1D — 40RUA Physical Data, SI — Heat Pump Units
6 Table 1D — 40RUA Physical Data, SI — Heat Pump Units UNIT 40RUQ* 25 NOMINAL CAPACITY (kW) 70 OPERATING WEIGHT (kg) Base Unit with TXV 326 Plenum 44 FANS Qty...Diam. (mm) 2...381 Nominal Airflow (L/s) 3775 Airflow Range (L/s) 2831 --- 4719 Nominal Motor kW (Standard Motor) 208/230 --- 3 --- 60 and ...
Page 7 - Table 1E — 40RUS Physical Data, English — Chilled Water Units; ODM
7 Table 1E — 40RUS Physical Data, English — Chilled Water Units UNIT 40RUS* 25 28 30 NOMINAL CAPACITY (Tons) 20 25 30 OPERATING WEIGHT (lb) Base Unit 683 1035 1042 Plenum 225 325 325 FANS Qty...Diam. (in.) 2...15 2...18 2...18 Nominal Airflow (cfm) 8000 10000 12000 Airflow Range (cfm) 6000 – 10000 7...
Page 8 - Table 1F — 40RUS Physical Data, SI — Chilled Water Units
8 Table 1F — 40RUS Physical Data, SI — Chilled Water Units UNIT 40RUS* 25 28 30 NOMINAL CAPACITY (kW) 70 87 105 OPERATING WEIGHT (kg) Base Unit 310 469 473 Plenum 102 148 148 FANS Qty...Diam. (mm) 2...381 2...457 2...457 Nominal Airflow (L/s) 3775 4719 5663 Airflow Range (L/s) 2831 – 4719 3539 – 589...
Page 10 - UNIT
10 6. 40RUS may require alternate or additional field favricated poping access holes UNIT 40RUA*2840RUA*30 40RUS*2840RUS*30 UNIT WEIGHT lb (kg) 1050 (477)1062 (482)1035 (469)1042 (473) LEGEND TXV — Thermostatic Expansion Valve NOTES:1. Dimensions in [ ] are in millimeters. 2. Direction of airflow. 3...
Page 12 - IMPORTANT; OVERHEAD SUSPENSION ACCESSORY — UNIT SIZE 25
12 Typical positioning and alternate return air locations are shown in Fig. 6. Alternate return air locations can be used by moving the unit panel from the alternate return air location to the standard return air location. Refer to overhead suspension accessory drawing (Fig. 7) for preferred suspens...
Page 14 - V ERTI CA L I NS TALL ATI ON
14 LEGEND: TXV – Thermostatic Expansion ValveNOTE: Component location arrangemetshown for field installation of sight glasses, solenoid valves, filter driers, and TXV sensing bulbs.The TXVs and equilizer lines are factory installed. UPPER SPLIT AIRFLOW LOWER SPLIT AIRFLOW 15 DIAMS MIN 10 DIAMS 8 DIA...
Page 15 - Table 2 – Factory--Installed Nozzle and Distributor Data; Table 3 – Fitting Requirements
15 Table 2 – Factory--Installed Nozzle and Distributor Data UNIT COIL TYPE STD TXV Qty...Part No. DISTRIBUTOR Qty...Part No. FEEDER TUBES PER DISTRIBUTOR { Qty...Size (in.) NOZZLE Qty...Part No. 40RUA*25 4 Row 2...BBIZE --- 8 --- GA 2...D196 --- 18 --- 3 / 16 18... 3 / 16 2...G6 40RUA*28 4 Row 2...B...
Page 18 - NOTE
18 Condensate Drain -- Install a trapped condensate drain line to unit connection as shown in Fig. 13. The unit drain connection is a PVC stub. See Fig. 14. Some areas may require an adapter to connect to either galvanized steel or copper pipe. For these applications, install a field--supplied threa...
Page 19 - ELECTRICAL SHOCK HAZARD; FIRE HAZARD; WARNING
19 Power Supply and Wiring -- Check the unit data plate to ensure that available power supply matches electrical characteristics of the unit. Provide a disconnect switch with an integrated lock--out feature of size required to provide adequate fan motor starting current. See Tables 4--6 for unit ele...
Page 20 - Table 4 – Electrical Data, Standard Motors; Table 5 – Electrical Data, Alternate Motors; Legend and Notes for Tables 4 and 5
20 Table 4 – Electrical Data, Standard Motors UNIT V --- PH --- Hz { VOLTAGE LIMITS FAN MOTOR POWER SUPPLY Hp (kW) FLA Minimum Circuit Amps MOCP 40RUA*25 40RUQ*25 40RUS*25 208/230 --- 3 --- 60 187 --- 253 5.0 (3.73) 14.7/13.6 18.4/17.0 30/25 460 --- 3 --- 60 414 --- 506 5.0 (3.73) 6.8 8.5 15 575 ---...
Page 21 - Table 6 – Fan Contactor Coil Data; UNIT OPERATION HAZARD; CAUTION
21 C10695 Fig. 18 -- Unit Wiring Table 6 – Fan Contactor Coil Data UNIT 40RU* VOLTAGE (vac) MAXIMUM HOLDING VA 25, 28, 30 24 10 Connecting Ductwork -- Refer to the Carrier System Design Manual for the recommended design and layout of ductwork. Fig. 19 shows recommended duct connection to units with ...
Page 22 - Fig. 19 -- Typical Fan Discharge Connections for Multiple Fan Units
22 C10696 Fig. 19 -- Typical Fan Discharge Connections for Multiple Fan Units C10697 Fig. 20 -- Duct Flange Installation 40RU
Page 23 - Adjusting TXV for Superheat; INSTALLER / INSTALLATEUR; SERVICE
23 START--UP Before starting unit, check the following and correct as necessary: S Is unit solidly supported? S Is fan adjusted for speed and pulley alignment? S Are pulleys, motor, and bearings securely mounted? S Are there any loose parts that will rattle or vibrate? S Is condensate drain pan pitc...
Page 24 - Table 7 – Lubricant Data; Multifak 2
24 Fan Motor Lubrication -- Fan motor supplied with unit is permanently lubricated and requires no further lubrication. Fan Shaft Bearings -- Size 25--30 units have pillow--block bearings (Fig. 23) that must be lubricated with suitable bearing grease approximately every 3 months. See Table 7 for sui...
Page 33 - Table 10B -- 40RU Standard Fan Performance Data —
33 Table 10B -- 40RU Standard Fan Performance Data — 0--600 kPa External Static Pressure — SI UNIT AIRFLOW (L/s) EXTERNAL STATIC PRESSURE (kPa) 0 50 100 150 200 250 300 r/s kW r/s kW r/s kW r/s kW r/s kW r/s kW r/s kW 40RUA*25 40RUQ*25 40RUS*25 2830 8.86 0.94 9.48 1.04 10.65 1.26 11.84 1.53 13.01 1....
Page 36 - Legend and Notes for Tables 10A and 10C; FACTORY-SUPPLIED PRESSURE DROP — ENGLISH; FACTORY-SUPPLIED PRESSURE DROP — SI
36 Legend and Notes for Tables 10A and 10C LEGEND Bhp --- Brake Horsepower Input to Fan ESP --- External Static Pressure NOTES:1. Maximum allowable fan speed for size 25 units is 1200 rpm . Maximum allowable fan speed for size 28 and 30 units is 1100 rpm. 2. Fan performance is based on deductions fo...
Page 39 - I. PRELIMINARY INFORMATION; ADDITIONAL ACCESSORIES; OUTDOOR UNIT
39 START--UP CHECKLIST (SPLIT SYSTEMS WITH 40RU UNITS) I. PRELIMINARY INFORMATION OUTDOOR: MODEL NO. INDOOR: MODEL NO. SERIAL NO. SERIAL NO. ADDITIONAL ACCESSORIES II. PRE--START--UP OUTDOOR UNIT IS THERE ANY SHIPPING DAMAGE? (Y/N)IF SO, WHERE: WILL THIS DAMAGE PREVENT UNIT START--UP? (Y/N)CHECK POW...
Page 40 - CHECK VOLTAGE IMBALANCE; COMP A1
40 CHECK VOLTAGE IMBALANCE LINE-TO-LINE VOLTS: AB V AC V BC V (AB + AC + BC)/3 = AVERAGE VOLTAGE = V MAXIMUM DEVIATION FROM AVERAGE VOLTAGE = V VOLTAGE IMBALANCE = 100 X (MAX DEVIATION)/(AVERAGE VOLTAGE) = IF OVER 2% VOLTAGE IMBALANCE, DO NOT ATTEMPT TO START SYSTEM! CALL LOCAL POWER COMPANY FOR ASS...