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John Wood SERIES 100 User Manual

Page 14

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14

THE CONTROLLER TO MALFUNCTION. A HIGH QUALITY POWER

CONDITIONER MUST BE INSTALLED IF THE ABOVE CONDITIONS EXIST.

MALFUNCTIONS CAUSED BY A POOR ELECTRICAL SUPPLY ARE NOT

COVERED UNDER YOUR WARRANTY.

The controller is wired to the heater as shown in Figure 15. The model and

rating plate provides the electrical information needed to size the complete

heater branch supply.

All electrical work must be installed in accordance with the Canadian Electrical

Code, CSA C22.1 and local requirements.

When installed, the appliance must be electrically grounded in accordance

with local codes or, in the absence of local codes, with the Canadian Electrical

Code, CSA C22.1.

DO NOT ENERGIZE THE BRANCH CIRCUIT BEFORE THE HEATER TANK

IS FILLED WITH WATER.

NOTE: This controller is Polarity Sensitive. If the Hot and Neutral Supply

Voltage is reversed, the controller will not sense flame. Verify polarity before

connecting the unit.

3. This unit may never be connected to any existing heating system or

component(s) previously used with non-potable water heating

appliance.

4. When the system requires water for space heating at temperatures higher

than required for domestic water purposes, a tempering valve must be

installed. Please refer to installation diagrams on pages 23 through 28 in

back of manual for suggested piping arrangements.

HEATER WIRING

IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE

MUST BE REPLACED, IT MUST BE REPLACED WITH 105°C OR ITS

EQUIVALENT, EXCEPT IN THE BURNER HOUSING. IN THIS CASE USE

200°C WIRE.

THE COMPUTER CONTROL REQUIRES A SOURCE OF STABLE CLEAN

ELECTRICITY FOR PROPER OPERATION. INSTALLING THE HEATER

ON A BRANCH CIRCUIT THAT HAS ELECTRONIC NOISE, IS SUBJECT

TO FLUCTUATIONS IN VOLTAGE LEVEL OR HAS AN APPLIANCE

WHICH GENERATES EMF OF RFI INTERFERENCE CAN CAUSE

FIGURE 15.

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