CHQ-DRC Instructions

Hochiki Europe (UK) Ltd Page 3 2-3-0-780/ISS8/DEC11 CHQ-DRC DUAL RELAY CONTROLLER is a loop powered input/output module with two independent N/O and N/C volt free change over relay outputs which can be driven separately. Used for the control of devices such as dampers or for plant and equipment shutdown. A single input is also provided for local fire and fault monitoring which is fully monitored for open and short circuit (can be disabled). Setting Fault Monitoring 8-Way DIL Switch CHQ MODULE SWITCH 8 UP Monitoring Disabled SWITCH 8 DOWN Monitoring Enabled DIN MODULE SWITCH 8 UP Monitoring Enabled SWITCH 8 DOWN Monitoring Disabled Note:- The state of the relay contacts will be indeterminate until the unit is powered. Order codes CHQ-DRC(SCI) / CHQ-DRC/M(SCI) / CHQ-DRC/DIN(SCI)* Transmission method Digital communication using ESP Loop: Operating voltage 17 - 41 VDC Quiescent current 300  A Current consumption whilst polling 22 mA  20 % Current in short-circuit 8 mA Maximum short-circuit current (Loop) 1 A Relay contact rating 30 VDC max, 1 A (resistive load) Input E.O.L resistor 10 k  ,  5%, 0.25 W Input threshold level ON=470  , Short cct <50  , Open cct >100K  Weights (g) and Dimensions (mm): CHQ-DRC(SCI) 346 L=157 x W=127 x D=35 (CHQ Module plus Lid) D=79 (CHQ Module plus Lid plus CHQ-BACKBOX) (add 235 to module weight when using CHQ-BACKBOX) CHQ-DRC/DIN(SCI) 124 L=119 x W=108 x D=24 Colour and enclosure material CHQ Module & CHQ-BACKBOX White ABS, DIN Module Green ABS * Fire alarm control panel compatibility required for these products. See AP0127 for short circuit isolator specifications. Note:- All EOL and operational resistors are supplied with the unit – DO NOT DISCARD IN ERROR! CHQ-MRC MAINS RELAY CONTROLLER is a loop powered input/output module, with a single mains-rated change-over relay output, which has the N/O, N/C and COMMON contacts available via flying leads. This output is driven under the control of the fire alarm panel and can be used for the control of devices such as dampers or for plant and equipment shutdown. A single input is also provided for local fire and fault monitoring and this is fully monitored for open and short circuit (can be disabled). Note:- The state of the relay contacts will be indeterminate until the unit is powered. Setting Input Monitoring 8-Way DIL Switch CHQ MODULE SWITCH 8 UP Monitoring Disabled SWITCH 8 DOWN Monitoring Enabled DIN MODULE SWITCH 8 UP Monitoring Enabled SWITCH 8 DOWN Monitoring Disabled To ensure compliance with EN54-17 and EN54-18 is maintained, the CHQ-MRC/DIN(SCI) shall be installed within an enclosure where the combined weight of the enclosure and the device is greater than 4.75kg, the enclosure shall also have an ingress protection rating of IP65 or greater. Order codes CHQ-MRC(SCI) / CHQ-MRC/DIN(SCI)* Transmission method Digital communication using ESP Loop: Operating voltage 17 - 41 VDC Quiescent current 300  A Current consumption whilst polling 22 mA  20 % Relay contact rating 48 VDC max, 2 A (resistive load), 250 VAC max, 5 A (resistive load) – mains AC switching should only be on the same phase as the control panel. Input E.O.L resistor 10 k  ,  5%, 0.25 W Input threshold level ON=470  , Short cct <50  , Open cct >100 K  Weights (g) and Dimensions (mm) CHQ-MRC(SCI) 331 L=157 x W=127 x D=35 (CHQ Module plus Lid) D=79 (CHQ Module plus Lid plus CHQ-BACKBOX) (add 235 to module weight when using CHQ-BACKBOX) CHQ-MRC/DIN(SCI) 121 L=119 x W=108 x D=24 Colour and enclosure material CHQ Module & CHQ-BACKBOX White ABS, DIN Module Green ABS * Fire alarm control panel compatibility required for these products. See AP0127 for short circuit isolator specifications. Note:- All EOL and operational resistors are supplied with the unit – DO NOT DISCARD IN ERROR! Fig 6 Fig 5