User's Manual
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© 2014 Mertik Maxitrol GmbH & Co. KG, All Rights Reserved.
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Figure 12
RF 2
ND
THERMOCOUPLE OPTION (RF)
INSTALLATION INSTRUCTIONS FOR OEM USE ONLY
ON-OFF
UP
DOWN
nd
thermocouple is placed in the main burner to check that the main gas is ignited within
a certain time after opening.
opening main gas.
nd
operate without the thermocouple connected. Other versions will not operate if the thermo-
couple is connected.
ZCTCR/2000 is needed.
Combination with Wall Switch
1. Remove G60-ZCTC/2000 cable and replace with Wall Switch/Touchpad G6R-CWSN… cable.
2. Insert the MOLEX crimp terminal of the G60-ZCTCR… cable into the open connector hole
of the plug (see image 1). Listen for a “click”.
3. Insert the insulated receptacle into the insulated 2nd thermocouple terminal.
4. Insert the plug connector into the receiver (see image 2).
2
nd
thermocouple
G60-ZPT300
2
nd
Thermocouple cable
G60-ZCTC…
2
nd
Thermocouple cable
G60-ZCTCR…
Cable connection for
combination with Wall Switch
Standard connection
Ground cable
G60-ZCGTC/…
Wall Switch (optional)
Image 1: Lock MOLEX crimp terminal (G60-
ZCTCR…) inside connector hole of the plug.
Image 2: Insert plug connector into the receiver.
Switch Panel (optional)
External Operation (optional)
GV60 Valve
Insulated cable
Non-insulated
cable
Wall Switch/Touchpad cable
G6R-CWSN…
NOTICE
To install the 2nd thermocouple make sure that the insulated male spade is connected to the
insulated female spade. The non-insulated male spade must be connected to the female spade
ground cable. The ground cable should be connected to the ground at the valve or the heater.
Receiver
G6R-R3(4)AU..T
Main Burner
Pilot Burner
(not shown here)