Carrier ERVXXLHB1200- Manuals

5 5˝ø 65 CFM 5˝ø 64 CFM 4˝ø 42 CFM 4˝ø 42 CFM 4˝ø 42 CFM 6˝ø 96 CFM 6˝ø 84 CFM 6˝ø 138 CFM 7˝ø 222 CFM 7˝ø 222 CFM 6˝ø 93 CFM 6˝ø 129 CFM 5˝ 5˝ 6˝ 6˝ 6˝ 6˝ 7˝ 7˝ 4˝ 4˝ 4˝ 4˝ 4˝ A12289 Fig. 9 - Example of a design for a fully ducted system for a unit having a high speed performance of 222 cfm Install...

6 S Make sure that the HRV/ERV duct forms an elbow inside thefurnace ductwork. S If desired, interlock (synchronize) the furnace blower operationwith the HRV/ERV operation. METHOD 2: RETURN SIDE CONNECTION S Cut an opening into the furnace return duct not less than 10 feet(3.1 m) from the furnace (A...

7 1 3 2 4 5 VJ0091 ± 1" T IE WRAP ON DUCT TAPE CONNECTING THE UNIT TO THE INSULATED FLEXIBLE DUCTS THE FLEXIBLE DUCT CONNECTED TO THE EXHAUST TO OUTSIDE PORT SHOULD DROP 1" BELOW THE PORT BEFORE GOING BACK UP . A LUMINUM DUCT TAPE ON FLEXIBLE DUCT P LACE FLEXIBLE DUCT OVER INNER PORT RING I ...

8 PROPERTY DAMAGE HAZARD Failure to follow this caution may result in property damage.A drain tubing (included) must be installed for all HRV units. For ERV units, it is not required, however, it is recommended for climates where the outside temperature typically remains below - 13 _ F (- 25 _ C), o...

9 press on push button until the LED turns AMBER (about 3seconds). See Fig. 20. A12301 Fig. 20 - Setting Extended Defrost IMPORTANT : When installed in reverse position (upside down) in a cold region where outside temperature could drop below - 20 _ C (- 4 _ F) for more than 5 days in a row, the uni...

10 Electrical Connection to Optional Auxiliary Wall Controls NO C NC I OC OL Y R G B PUSH-BUTTON TIMERS (5 MAXIMUM) 60-MINUTE CRANK TIMER DEHUMIDISTAT A12304 Fig. 25 - Optional Auxiliary Wall Controls NOTE : If an optional auxiliary wall control is activated and then, the Dehumidistat is being activ...

11 W R G Y W R G C Y UNIT TERMINAL CONNECTOR THERMOSTAT TERMINALS FOUR WIRES TWO WIRES heating only FURNACE 24-VOLT TERMINAL BLOCK TWO WIRES COOLING SYSTEM N O C N C I O C OL Y R G B W R G Y W R Y R G Y C THERMOSTAT TERMINAL 4 WIRES 2 WIRES heating only wiring nuts FURNACE 24-VOLT TERMINAL BLOCK 2 W...

12 Defrost Cycles Tables Table 5 – ERVXXLHB1200 OUTSIDE TEMPERATURE DEFROST CYCLES (MINUTES) EXTENDED DEFROST CYCLES Celsius ( _ C) Fahrenheit ( _ F) Defrosting Operation Time Between Each Defrost Cycles Defrosting Operation Time Between Each Defrost Cycles - 5 23 10 60 10 30 - 15 5 10 30 10 20 - 27...

13 Field wiring remote control (see notes 3 & 4) 120 V, 60 Hz W1 J6 J4 ELECTRONIC ASSEMBLY 1 2 1 2 3 1 2 3 4 12 12345 12345 J8 J9 J11 J10 12 J12 J13 J14 10 9 8 7 6 5 4 3 2 1 B 24 V class 2 9.5 V class 2 120V, 60Hz Neutral 120 V, 60Hz Line CPU K2 K4 K5 J10-2 Line voltage factory wiring Class 2 lo...

14 CARE AND MAINTENANCE ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death.Before installing or servicing system, always turn off, tag and lockout main power to system. There may be more than 1 disconnect switch. ! WARNING CUT HAZARD Failure to follow thi...

15 Table 6 – Troubleshooting If the integrated control LED of the unit is flashing, this means the unit sensors detected a problem. See the list below to know where on theunit the problem occurs. LED flashes GREEN (double blink). S Thermistor error. Replace the thermistor kit LED flashes AMBER. S Da...

16 PROBLEMS POSSIBLE CAUSES YOU SHOULD TRY THIS 6. The defrost cycle does not work (thefresh air duct is frozen OR the freshair distributed is verycold). S I c e d e p o s its m a y b e h in d e r in g th edamper operation. S Remove the ice. S The damper rod or the port damper itselfmay be broken. S...