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WSHP-X Module

Technical Guide

Start-Up & Commissioning

General

In order to have a trouble free start-up, it is important to follow a few

simple procedures. Before applying power for the ﬁ rst time, it is very

important to run through a few simple checks.

One of the most important checks to make before powering up the

system for the ﬁ rst time is to make sure that the VCM-X WSHP Series

Controller or SA Series Controller is conﬁ gured properly for your ap-

plication. Refer to the VCM-X Controller Technical Guide, VCM-X

Modular E-BUS Controller Technical Guide, SA Controller Technical

Guide, or SA E-BUS Controller Technical Guide for more information.

A handheld Modular Service Tool, Modular System Manager, or System

Manager Touch Screen connected to the VCM-X WSHP Series Control-

ler or SA Series Controller will allow you to conﬁ gure your application.

Refer to the VCM-X Operator’s Interfaces Technical Guide, SA Operator

Interfaces Technical Guide, or System Manager TS Technical Guide for

more information.

NOTE: The SA Series Controller does not utilize the System

Manager Touch Screen.

Check all wiring leads at the terminal block for tightness. Be sure that

wire strands do not stick out and touch adjacent terminals. Conﬁ rm

that all sensors required for your system are mounted in the appropriate

location and wired into the correct terminals.

WARNING: Observe polarity! All boards must be wired

GND-to-GND and 24 VAC-to-VAC. Failure to

observe polarity could result in damage to the

boards.

Table 1: Unit Conﬁ gurations Chart

UNIT CONFIGURATIONS

PERMUTATION

SYSTEM A SYSTEM B

VCM-X WSHP

CONFIGURATION

Comp A1 Comp A2 Comp B1 Comp B2

Relay 1 Relay 2 Relay 3 Relay 4

1 On/Off On/Off

— —

2 Compressors

—

2 Digital On/Off

— —

2 Compressors

Digital Compressor

2 Compressors

Single Unit SA

3 Digital Digital

— —

2 Compressors

Full Digital

2 Compressors

Single Unit SA

4 On/Off On/Off On/Off On/Off 4 Compressors

—

5 Digital On/Off On/Off On/Off Not Available

—

6 Digital On/Off Digital On/Off

4 Compressors

Digital Compressor

4 Compressors

Dual Unit SA

7 Digital Digital Digital Digital

4 Compressors

Full Digital

4 Compressors

Dual Unit SA

In the Cooling Mode, the Compressors will stage in the following order:

Permutations 1, 2 & 3: Compressor A1 -> Compressor A2

Permutations 4: Compressor A1 -> Compressor B1 -> Compressor A2 -> Compressor B2

Permutations 6: Compressor A1 & Compressor B1 -> Compressor A2 -> Compressor B2

Permutations 7: Compressor A1 & Compressor B1 -> Compressor A2 & Compressor B2

In the Dehumidiﬁ cation Mode, the Compressors will stage in the following order:

Permutation 4: Compressor A1 & Compressor B1 -> Compressor A2 -> Compressor B2

All other permutations in the Dehumidiﬁ cation Mode stage as described in the Cooling Mode.

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 31 32

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