Lochinvar CHA 100 G CE Installation, Commissioning, User & Maintenance Instructions page 28

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3.10.5
3.10.6
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Installation
Weekly timer circuit
1. Cut the image of the weekly timer from the operating panel.
2. Place the weekly timer in the opening thus created.
3. Connect the cables to points 7 (N), 8 (L) and 11 (L) using wire end sheaths.
4. Connect the cable with the crimped terminal clip onto position B4 on the
ON/OFF switch.
5. If you do not need to make any more connections, then fit the protective
cover back on the control column.
Extra error signal ("Alarm OUT").
Alarm OUT is a potential free terminal that is switched when an error is
detected. Devices (e.g. one or more lights) can be connected to this in order to
signal the fault (max. 250V, 10A).
The device or devices may be connected in either a circuit with a make-contact
(light illuminated when there is an error) or a circuit with a break-contact (light
illuminated during normal use).
1. Feed the extra signalling cable through the metric strain relief in the top of
the control column.
2. Connect the extra signalling device to points 13 (N) and 14 (P) and/or 14 (P)
and 15 (NC) as show in the
3. Tighten the strain relief so that the cable is clamped.
4. If you do not need to make any more connections, then fit the protective
cover back on the control column.
Terminal block.
Instruction manual CHA
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