Dyer RZN 4402-K V2 Troubleshooting Manual

Dyer Environmental Controls Ltd
RZN 4402/04-K V2 Troubleshooting Guide
10kΩ resistor - orange band
1kΩ resistor -
red band (from (from RM "R" & "-" in panel).
keyring bag).
Fire alarm SD-O 371
interface Smoke Detector
Normally
open, volt
free contact.
10kΩ
OR
3 2
Breakglass display indications
Solid green - System healthy, no faults.
+ +
Solid green, flashing yellow - System healthy, no fault.
Inbuilt service timer expired. Contact Dyer's service &
+ +
maintenance department.
Flashing yellow - System fault. See panel display
+ +
indications below.
Solid red - System in fire.
+ +

Panel display indications

D47
• Indicates an issue between the control panel and
Line control elements (fire alarm interface, smoke detector
or breakglass, line button in 'off' position).
• Each control element requires a single 10kΩ end of line
resistor. See above detail.
• If no fire alarm interface or smoke detector in system,
leave 10kΩ end of line resistor in RM terminals "R" & "-".
• Check external signal fuse has not blown.
• Ensure line button at top of panel is in 'on' position at
all times.
D42
• System in fire.
Alarm
D20
• System healthy, no faults.
Control
D79
• Issue between the control panel and the drive(s).
Group Ensure EM 47 K drive group end of line is connected as
indicated above.
• Check 1.6 Amp (4402) / 3.15 Amp (4404) fuse has not
blown.
D14
• Incorrect connection of the batteries or 3.15 Amp fuse
Battery blown.
Dyer Environmental Controls Ltd, Unit 10, Lawnhurst Trading Estate, Cheadle Heath, Stockport, Cheshire SK3 0SD
www.dyerenvironmental.co.uk
10kΩ resistor - orange band
(from RT "T" & "-" in panel).
RT 45
Breakglass
5
2 8 3 1
10kΩ
R - T - K
RT
RM
+44 (0)161 491 4840
6 4 7
A Z S L
Registered in England 02670985
Terminal resistor end of line module
(from MOT E, A & B in panel).
LT 84-U Connection point
Wall Switch
(local to vent - by
others)
EM 47 K
COM
N- Z A E
LT MOT
Alarm open
D47 D42
VAT No. 611329279
Vent
Orange
24v D+H
(High Speed)
Mechatronic
White
Drive.
Brown
Terminate all
other coloured
cables in
connection
point.
A B
Reset close
D20 D79
D14
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