D+H RZN 4503-T Troubleshooting Guide

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RZN 4503-T Troubleshooting Guide
L AZN- E b
RM
K-T
RT
ZA S
RT 45
Breakglass
2 8 3 1 6 4 7
10kΩ
3 2
LT
SD-O 371
Smoke detector
LT 84-U
Wall Switch
10kΩ
5
COM
10kΩ
1k Ω
Fire alarm
interface
Normally
open, volt
free contact.
-R
OR
10kΩ resistor - orange band
(from RM “R” & “-” in panel).
1kΩ resistor -
red band (from
keyring bag).
10kΩ resistor - orange band
(from RT “T” & “-” in panel).
EM 47 K
Orange
Black Black
Vent
24v D+H
Mechatronic
drive.
Orange
(High Speed)
White
Brown
End of line terminal resistor
(from MOT E, a & b in panel).
Connection point
(local to vent - by
others)
Display fault indications
Battery fault:
• Incorrect connection of the battery.
Earth fault:
• Issue with incoming power supply 230 v earth.
Detector Line fault - Solid:
• Indicates an issue between the control panel and control elements (re alarm interface, smoke detector or
breakglass).
• Each control element requires a single 10kΩ end of line resistor. See above detail.
• If no re alarm interface or smoke detector in system, leave 10kΩ end of line resistor in RM terminals “R” & “-”.
If no RT 45 breakglass, leave 10kΩ resistor in RT terminals “T” & “-”.
Detector Line fault - Flashing:
• Indicates line deactivated, press the 1/0 Reset button at top of panel to reactivate.
Drive Group fault:
• Issue between the control panel and the drive(s). Ensure EM 47 K end of line terminal resistor is connected as
shown above.
• Check 2.5 Amp fuse has not blown.
Terminate all
other coloured
cables in
connection
point.
a
MOT
RZN 4503-T / RT 45 breakglass display indications
+ +
Solid green - System healthy, no faults.
+ +
Solid green + ashing yellow - System healthy, no fault. Inbuilt
service timer expired. Contact our service department.
+ +
Flashing yellow - System fault. See panel indications below.
+ +
Solid green + solid red - System healthy + in re.
+ +
Flashing yellow + solid red - System in fault + re.
Alarm open Reset close

D+H RZN 4503-T Specifications

General

Brand	D+H
Model	RZN 4503-T
Category	Control Panel
Language	English