Raypak 241275 - Manuals - manualsarea.com

Page 3 - GENERAL SAFETY; Feel water before bathing or showering.

GENERAL SAFETY To meet commercial hot water use needs, the highlimit safety control on this water heater is adjustable upto 210°F. However, water temperatures over 125°Fcan cause instant severe burns or death from scalds.When supplying general purpose hot water, the rec-ommended initial setting for ...

Page 4 - Check the Power Source

4 COLD WATER START Before arriving at the job site to begin the installation,it's important to first inspect the system and determinewhat materials you will need. Some parts are includ-ed with the controller while others you will need toprovide. 1 Control Box 1 Temperature Sensor 1 Valve assembly wi...

Page 5 - OPERATION

5 Connecting Power to theController Supply power from the 120 VAC power input from theheater to the controller power inputs Terminal Block(TB1). This is accomplished by connecting wiring fromthe control box to the heater TB1 board 120 VACpower input connections. Refer to wiring diagrams. Fig. 3: Com...

Page 7 - Elodrive actuator is Nema 4 rated.; TROUBLESHOOTING; Check wiring using wiring diagram.

7 NOTE: Elodrive actuator is Nema 4 rated. TROUBLESHOOTING Check your power source using a Volt-Ohm meter;check the following voltages at TB1 terminal block: TB1-1 to TB1-2 = 108 VAC Minimum, 132 VACMaximum TB1-1 to TB1-3 = 108 VAC Minimum, 132 VACMaximum TB1-2 to TB1-3 = Must be less than .6 VAC IF...

Page 8 - Cold Water Star t Troubleshooting Guide

Page 9 - Wiring Diagram

Page 10 - COLD WATER RUN; Purpose; Low temperature radiant panel.; INSTALLATION; Installation Codes; The heater should not be located in an area

10 COLD WATER RUN Purpose The Cold Water Run system utilizes a variable-speedpump to inject the proper amount of water from themain system loop into the boiler to maintain the opti-mum inlet temperature. This approach allows the fullcapacity of the boiler to be utilized to meet the systemload, while...

Page 11 - Injection & Heater Pump Comparison — Hi Delta

11 Injection & Heater Pump Comparison — Hi Delta Heater Pump Injection Pump Heater Model Flow Temp. Rise Press. Drop Flow Temp. Rise Injection Pump Heater Pump 302 32 16 2 13 40 1911- 1 ⁄ 4 hp 112 402 34 20 2 17 40 1911- 1 ⁄ 4 hp 112 502 42 20 2.3 22 40 1911- 1 ⁄ 4 hp 1630 4.0 652 55 20 4.1 28 4...

Page 12 - Before Star ting; ) Turn off power to the unit at the circuit breaker.; Remove the pump body then rotate it so that the

12 Fig. 13: Remove the pump body Fig. 14: Be sure not to damage the seal when removing or replacing the pump body Injection Pump CoverInstallation Before Star ting 1) Turn off power to the unit at the circuit breaker. 2) Turn off gas supply. 3) Shut off the water supply to the heater and, if nec- es...

Page 13 - You will now be able to install the pump cover. See

13 3. Insert and tighten all eight (8) wrench bolts, secur-ing the pump body in place. 4. You will now be able to install the pump cover. See Fig. 18 and 19. Fig 15: Reposition the pump body so that the electrical box points downward Fig. 16: Place the cover on the pump Fig 17: Pump cover - angle vi...

Page 15 - Sequence of Operation

15 START-UP PROCEDURE • Run full system flow for two minutes. • Initiate PID pump control to achieve target inlettemperature by slowing injector pump. • Boiler ΔT will not increase during bypass operation. • If target temperature is not achieved after sevenminutes from “call for heat”, the system wi...

Page 17 - Cold Water Run Troubleshooting Guide

17 Cold Water Run Troubleshooting Guide Step 9 Step 8 Step 10 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Is there a Call For Heat at the heater? Is the 220VAC inverter in the cold run controller powered? Replace inverter or install jumper and correct switch settings Does the cold run inverter ...

Page 18 - ILLUSTRATED PARTS LISTS; Cold Water Star t

Page 19 - Sizing is specific to this application.

19 1-M 4-M 2-M 3-M CALL OUT DESCRIPTION HI DELTA MVB F 7 1 7 1 1 0 F 7 1 7 1 1 0 L O R T N O C - Y S S A D R A O B C P C - 1 F 8 1 7 1 1 0 F 8 1 7 1 1 0 R E M R O F S N A R T C - 2 3-C POWER SUPPLY 120VAC/12VDC 011719F 011719F F 0 2 7 1 1 0 F 0 2 7 1 1 0 V 4 2 T D P D - Y A L E R C - 4 F 9 3 0 9 0 0...

Page 20 - Cold Water Run