Orion-system Water Source Heat Pump X Module Manual de usuario descargar pdf (Pagina 17)

Technical Guide

WSHP-X Module

Sequence of Operation

Table 2: WSHP-X Module Inputs & Outputs

General

The following inputs and outputs are available on the WSHP-X Module.

See Table 2 below to reference the Input/Output Map.

WSHP-X Module Setpoints

The WSHP-X Module setpoints are preset at AAON and are based on

the unit’s design as well as the type of coolant being used in the water

loop. See Tables 3 & 4 for default settings.

NOTE: These are default settings only. The setpoints may be

different based on the unit’s design and coolant being

used.

Binary Inputs

1 Compressor A1 Enable (BIN 1)

2 Compressor A2 Enable (BIN 2)

3 Compressor B1 Enable (BIN 3)

4 Compressor B2 Enable (BIN 4)

5 Heat Enable (BIN 5)

6 Water Proof of Flow System A (BIN 6)

7 Water Proof of Flow System B (BIN 7)

Analog Inputs

1 Suction Pressure A1 (Pres 1)

2 Suction Pressure A2 (Pres 2)

3 Suction Pressure B1 (Pres 3)

4 Suction Pressure B2 (Pres 4)

5 Leaving Water Temperature System A (T1)

6 Leaving Water Temperature System B (T2)

Analog Outputs (1-5 VDC or 0-10 VDC)

1 Digital Stage 1 (Compressors A1 & B1) (AOUT1)

2 Digital Stage 2 (Compressors A2 & B2) (AOUT2)

NOTE: Analog Outputs are not used on Stand

Alone Application

Relay Outputs (24 VAC)

1 Compressor A1 Enable Output (RLY1)

2 Compressor A2 Enable Output (RLY2)

3 Compressor B1 Enable Output (RLY3)

4 Compressor B2 Enable Output (RLY4)

5 Alarm Output (RLY5)

Table 3: Factory-Set Default Setpoints - Water Only

Water-Only Default Setpoints

Description R410-A R22

UNSAFE SUCTION 40 PSIG 20 PSIG

LOW SUCTION HEAT MODE 100 PSIG 57 PSIG

LOW SUCTION COOL MODE 85 PSIG 57 PSIG

LOW LEAVING WATER TEMP 37ºF 37ºF

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 31 32

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Orion-system Water Source Heat Pump X Module Manual de usuario Pagina 17

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