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11

PREMIER 2 SINGLE-SPEED INSTALLATION AND MAINTENANCE MANUAL

CAUTION: 

Never operate the DHW circulating pump while dry.

Steps:

1)

Make sure that any valves in the desuperheater water circulating circuit are open.

2)

Turn on the Premier 2 unit to first stage heating.

3)

The DHW pump should be running. Be sure the disable switch for the DHW pump (SW4) is

ON. The DHW OFF LED on the unit should not be illuminated.

4)

The temperature difference between the water entering and leaving the desuperheater

should be 5

°

F to 15

°

F. The water flow should be approximately 0.4 gpm per ton of nominal

cooling.

5)

Allow the unit to heat water for 15 to 20 minutes to be sure operation is normal.

6)

When the pump is first started, open the inspection port (if equipped) until water dribbles out,

then replace. Allow the pump to run for at least five minutes to ensure that water has filled

the circulator properly.

DESUPERHEATER NOTE:

When servicing a unit’s refrigeration circuit, it is always good practice to disable the desuper-

heater pump. This can be accomplished by using the DHW pump disable switch located on the

front of the unit cabinet near the LED annunciator panel. The red DHW OFF LED will illuminate,

indicating the DHW pump is disabled. Do not run DHW pump while dry. If the unit is placed in

operation before the desuperheater piping is connected, be sure that the pump switch is

set to the OFF position.

GENERAL

Be sure the available power is the same voltage and phase as that shown on the unit serial

plate. Line and low voltage wiring must be done in accordance with local codes or the National

Electric Code, whichever is applicable.

UNIT POWER CONNECTION

Connect the incoming line voltage wires to the “L” side of the contactor as shown in Figures

4A and 4B on page 12. Consult the Unit Electrical Data section on page 25 for correct wire and

fuse size.

EXTERNAL LOOP PUMP POWER CONNECTION

If the unit is to be used with an external loop pump (FC1 or FC2 flow center), the pump(s) will

be connected to the terminals on PB1 in the unit electrical box as shown in Figures 4A and 4B on

page 12. The pumps will automatically be cycled as required by the unit or by a slave signal from

another Premier 2 unit sharing the flow center (see Figure 8 on page 8).

Electrical
Connections

Содержание AT019D

Страница 1: ...s received all items should be carefully checked against the bill of lading to be sure all crates and cartons have been received Examine units for shipping damage removing the units from the cartons i...

Страница 2: ...ll allow the control box to be removed with only the two front mounting screws for future service SETTING HORIZONTAL UNITS CAUTION Do not use rods smaller than 3 8 diameter since they may not be stron...

Страница 3: ...loosen a single nut The unit should be pitched approximately 1 4 towards the drain in both directions to facilitate the removal of condensate see Figure 5A on page 5 Use only the bolts provided in th...

Страница 4: ...ead the female locking ring onto the pipe threads while maintaining the brass connector in the desired direction see Figure 4B Tighten the connectors by hand then gently snug the fitting with pliers t...

Страница 5: ...ratures may be subject to freezing The water loop is usually maintained between 60 F and 90 F Premier 2 units allow 25 F 110 F EWT for proper heating and cooling operation This is accomplished with a...

Страница 6: ...age 7 final purging and charging of the loop is required A WaterFurnace flush cart or a 1 5 HP pump minimum is needed to achieve adequate flow velocity in the loop to purge air and dirt particles from...

Страница 7: ...the motor housing has been flooded Ensure that the loop flow center provides adequate flow through the unit by checking the pressure drop across the heat exchanger and comparing it to the figures sho...

Страница 8: ...ne Premier AT or Spectra unit with optional circut board SL1 In SL1 Out Not Used Not Used Shut Down C C Premier 2 Unit 1 With pump wired to Unit 1 With pump wired to Unit 2 SL1 In SL1 Out Not Used Not...

Страница 9: ...lies of more than four use an 80 gallon water heater or two 50 gallon water heaters con nected in a series as shown in Figure 13 Electric water heaters are recommended Steps 1 Turn off the power to th...

Страница 10: ...temperature setting on the tank On tanks with both upper and lower elements the lower element should be turned down to the lowest setting approximately 100 F The upper element should be adjusted to 12...

Страница 11: ...complished by using the DHW pump disable switch located on the front of the unit cabinet near the LED annunciator panel The red DHW OFF LED will illuminate indicating the DHW pump is disabled Do not r...

Страница 12: ...and 3 of P3 See the wiring schematic on pages 13 16 for details 208 VOLT OPERATION All 208 230 volt units are factory wired for 230 volt operation For 208 volt operation the red and blue transformer...

Страница 13: ...m Norm Fan Comp Loop Well Test Norm Outputs Norm Inputs Norm 2 Speed 1 Speed ECM2 Air Flow Settings Field Selection Factory Setup NO NC CR3 COM Wh Blk Red F1 10A 240V Black Compressor CC T2 T1 Cap R S...

Страница 14: ...switch Legend Relay contacts N O N C Notes L1 L2 Single Disconnect Power 208 230 60 1 Aux Elect Power 208 230 60 1 L1 L2 L1 L2 AT Unit Power 208 230 60 1 CSA installed units only Local codes may requ...

Страница 15: ...P Thermistor Loop 15 F well 30 F Lockout High Pressure 380 PSI Lockout Low Pressure 15 PSI Lockout ECM2 RPM 100 rpm Lockout Microprocessor Malfunction HWL Thermistor 130 F DHW Pump Switch Off Drain Wa...

Страница 16: ...enable switch Thermal limit switch Legend Relay Contacts N O N C G T 1 3 2 P L1 PSC Fan Speed Relay PSC Fan Power Relay ER1 to ER4 Aux heat stage relays HWL Hot water limit sensor Premier2 Logic Board...

Страница 17: ...to medium speed 15 seconds after Y1 input The hot water pump is cycled 30 seconds after the Y1 input Heating 2nd Stage Y1 Y2 The hot water pump is de energized which directs all heat to satisfying the...

Страница 18: ...ly closed switch is opened for 30 continuous seconds Freeze Protection Water Flow This lockout mode occurs when the freeze thermistor temperature located between the TXV and coax is at or below the se...

Страница 19: ...r 24 VAC thermostats FACTORY SETUP DIP SWITCHES SW3 A 5 position DIP switch package on the Premier 2 control allows the following factory setup options 1 Two Speed Single Speed This DIP switch configu...

Страница 20: ......

Страница 21: ......

Страница 22: ...1 1 1 1 019 4 0 2 1 2 0 2 0 1 9 1 8 5 0 3 5 3 3 3 2 3 1 3 0 3 0 1 5 1 4 1 3 1 3 1 3 022 4 5 3 2 3 1 3 0 2 9 2 8 6 0 6 0 5 8 5 6 5 4 5 2 4 0 1 2 1 2 1 1 1 1 1 1 028 5 5 2 1 2 0 2 0 1 9 1 8 7 0 3 2 3 1...

Страница 23: ...scaling OTHER MAINTENANCE Filters Filters must be clean to obtain maximum performance They should be inspected monthly under normal operating conditions and be replaced when necessary Units should ne...

Страница 24: ...ir and water flow rates are at proper levels before servicing the refrigerant circuit To maintain sealed circuit integrity do not install service gauges unless unit operation appears abnormal refer to...

Страница 25: ...measurement with 2 voltage drop Wire size based on 60 C copper conductor With optional 1 hp ECM2 fan motor 208 230 60 3 All units rated 208 230 min 197 volt three phase 60 cycle All fuses type D time...

Страница 26: ...26 PREMIER 2 SINGLE SPEED INSTALLATION AND MAINTENANCE MANUAL Notes...

Страница 27: ...27 PREMIER 2 SINGLE SPEED INSTALLATION AND MAINTENANCE MANUAL...

Страница 28: ...ions without notice WaterFurnace and Premier are registered trademarks of WaterFurnace International Inc 1999 WaterFurnace International Inc Single Speed Installation and Maintenance Manual 9000 Conse...

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