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EZ-LINK SYSTEM DUAL INSTALLATION
62
EZ-LINK CABLE CONNECTION
The references in steps 5 to 8 are to the ‘Control Board with Ez-Link Connection’ diagram on page 63. To
connect the Ez-Link cable to the water heaters:
Refer to “Installation – Controllers” on page 65 for information on the installation of temperature controllers.
1. Close any hot taps and ensure the burners on both water heaters are not operating.
2. Switch off the electrical supply at the power outlet to each water heater.
3. Remove the screws holding the front panel to the jacket on each water heater.
4. Gently disengage the front panel and pull forward to remove from each water heater.
5. Connect one end of the EZ-Link cable to the first water heater.
Draw the cable through the cable grommet on the underside of the water heater.
Plug the cable into the four pin connector located immediately below the MIN button, toward the
upper right hand corner of the Control Board (refer to the Control Board diagram).
The connector will only fit one way.
Press until the connector snaps into place.
Secure the EZ-Link cable with the clamp and screw provided to the top right of the Control Board
(refer to the Control Board diagram).
6. Switch DIP SWITCH 4 to the on (up) position on
the first water heater (refer to the Control Board
diagram). Note: This dip switch is on the DIP 1 set
of dip switches.
If a temperature controller is not installed, then
also switch DIP SWITCH 1 of the DIP 2 set of
dip switches to the on (up) position on the first
water heater.
7. Connect the other end of the EZ-Link cable to the
second water heater.
Draw the cable through the cable grommet on
the underside of the water heater.
Plug the cable into the four pin connector
located immediately below the MIN button,
toward the upper right hand corner of the
Control Board (refer to the Control Board
diagram).
The connector will only fit one way.
Press until the connector snaps into place.
Secure the EZ-Link cable with the clamp and
screw provided to the top right of the Control
Board (refer to the Control Board diagram)
8. Switch DIP SWITCH 4 to the on (up) position on
the second water heater (refer to the Control Board
diagram). Note: This dip switch is on the DIP 1 set
of dip switches.
9. Refit the front panel and screws to each water heater.
10. Check the main gas isolation valve and the isolation valves at the gas inlet to each water heater are fully
open.
1
2
3
4
ON
DIP2
OFF ON
1
2
3
4
Water Heater no.2
SK6668-46
REV_AD 2/12
Temperature Controller(s) Connected
No Temperature Controller(s)
DIP SWITCHES - EZ LINK INSTALLATION
CONTINUOUS FLOW WATER HEATER
86,87 SERIES, 627 MODELS
DIP1
OFF ON
1
2
3
4
1
2
3
4
1
2
3
4
ON
ON
DIP2
OFF ON
1
2
3
4
Water Heater no.2
1
2
3
4
ON
DIP2
OFF ON
1
2
3
4
DIP1
OFF ON
1
2
3
4
1
2
3
4
ON
Water Heater no.1
DIP1
OFF ON
1
2
3
4
1
2
3
4
ON
DIP1
OFF ON
1
2
3
4
1
2
3
4
1
2
3
4
ON
ON
DIP2
OFF ON
1
2
3
4
Water Heater no.1
(with controller(s) connected)
dip switch settings
without temperature controller
1
2
3
4
ON
DIP2
OFF ON
1
2
3
4
Water Heater no.2
SK6668-46
REV_AD 2/12
Temperature Controller(s) Connected
No Temperature Controller(s)
DIP SWITCHES - EZ LINK INSTALLATION
CONTINUOUS FLOW WATER HEATER
86,87 SERIES, 627 MODELS
DIP1
OFF ON
1
2
3
4
1
2
3
4
1
2
3
4
ON
ON
DIP2
OFF ON
1
2
3
4
Water Heater no.2
1
2
3
4
ON
DIP2
OFF ON
1
2
3
4
DIP1
OFF ON
1
2
3
4
1
2
3
4
ON
Water Heater no.1
DIP1
OFF ON
1
2
3
4
1
2
3
4
ON
DIP1
OFF ON
1
2
3
4
1
2
3
4
1
2
3
4
ON
ON
DIP2
OFF ON
1
2
3
4
Water Heater no.1
(with controller(s) connected)
dip switch settings
with temperature controller connected
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