Page 1
BOILERS LIMITED Training notes for the following Certikin pool heaters: Genie S Genie C Genie Dual MB055 - MB405 COH110 - COH280 December 2011...
CONTENTS Genie C Wiring Genie C Schematic Genie S Wiring Genie S Schematic Genie Dual Wiring Genie Dual Schematic Genie C & S Setup & Service Modes Genie Dual Setup & Service Modes Genie C & S Engineering Modes Genie C, S & Dual Fault Guide Genie C, S &...
GENIE C - WIRING M O D U LA T IO N -v e X12.16 X12.14 X12.13 FA N -v e X12.12 H I LIM I T FA N +v e X12.11 X12.10 R E S E T -v e X12.8 M O D U LA T IO N +v e CVBC...
GENIE S - WIRING X 12.16 M ODUL AT ION -v e X 12.14 F AN -ve X 12.13 HI L IM I T X 12.12 F AN + v e X 12.11 RESET -v e X 12.10 M ODUL AT ION +v e X 12.8...
GENIE C & S - SETUP & SERVICE MODES Pressure Gauge Fig. 9.0 Temperature Pool Temperature Lock/Reset On / Off Display Control Knob Button Switch WARNING: BEFORE COMMENCING OR COMPLETING ANY ELECTRICAL WORK ON THE APPLIANCE, IT IS RECOMMENDED THAT THE BASIC SAFETY CHECKS FOR EARTH CONTINUITY, SHORT CIRCUIT, POLAR- ITY AND RESISTANCE TO EARTH ARE MADE.
Page 10
/ td1 Test Temperature Display Mode 1 (td1). Genie S only Temperatures are displayed to 0.1 degree resolution, not the normal 1 degree. The display will now show each sensor temperature and cycle around them for each press of the Lock/Reset button.
GENIE C (up to V10) - FACTORY MODE Genie Pool Thermostat, Engineering Mode Background As detailed in the Installation Instructions, it is possible, with the aid of a special setup plug, to enter into an Engineering mode on this control. Engineering Mode Turn the Heater OFF with the Panel Switch Remove the Front Top Panel and the Electrical Chassis Cover, remove the knob and Pcb retainer.
Page 14
GENIE C & S (from V10) - FACTORY MODE Genie Pool Thermostat, Engineering Mode Background As detailed in the Installation Instructions, it is possible, with the aid of a special setup plug, to enter into an Engineering mode on this control. Engineering Mode Turn the Heater OFF with the Panel Switch Remove the Front Top Panel and the Electrical Chassis Cover, remove the knob and Pcb retainer.
GENIE C, S & DUAL - MICROCOM SOFWARE Genie CVBC Honeywell Controller error codes Several checks are included to protect the boiler and its environment. Some checks are made even when there is no demand for heat and will lead to “gas” lockout, which can only be cleared when the fault is recti- fi...
Page 21
GENIE C, S & DUAL - MICROCOM SOFWARE FAULT 21 = ADC Internal test on HUP processor. Test measures mains voltage. If the min. and max. values of this mains sine wave are not correct for more than 5 sec. then this error code is shown.
MB 055, 105 & 155 - TROUBLESHOOTING 055, 105 & 155 Models WARNING ELECTRICAL TROUBLESHOOTING HIGH VOLTAGE For qualified Technicians ONLY NOTE: This heater is equipped with an ignition module that shuts off pilot gas if pilot START fails to light after the third attempt. This is iden tified by the LED flashing on the ignition module.
Page 27
MB 055, 105 & 155 - TROUBLESHOOTING ELECTRICAL TROUBLESHOOTING 055, 105 & 155 Models If the pool/spa water is too cold, troubleshoot the system as follows: Check voltage at 24 V terminals. VOLTAGE BETWEEN 21.5-28.5 V. VOLTAGE OUTSIDE RANGE 21.5-28.5 V. Set control to max.
MB 185, 265 & 405 - TROUBLESHOOTING HEATER WILL NOT FIRE • Check for 230 V Power to Transformer (Circuit Breaker,Time Clock, Wire Connections) • Check for Fireman Switch/Remote Thermostat Operation (Red Jumper Wire from TP4 to TP5) Temporary Condition may Bypass If Necessary.
Page 29
MB 185, 265 & 405 - TROUBLESHOOTING • Check for 24 VAC Power to IID - (24 V to 24V GND Terminals on IID). If No Power, Replace heater Control Board, or wire harness to IID. • Check for Spark at IID Spark Terminal (Remove Hi-Tension Lead from IID Module- Position end near spark terminal.
COH 100 - 275 MK1 OIL - PARTS IDENTIFICATION ELECTRICAL ASSEMBLY - All Models (Wires not shown for clarity) Item Description High Limit Stat EL 00215 EL 00215 EL 00215 206892 Control Thermostat EL 0230 EL 0230 EL 0230 206896 On/Off Switch AH0050 AH0050...
Page 33
COH 100 - 275 MK1 OIL - PARTS IDENTIFICATION Item Description Heat Exchanger SBECO 90 SBQF 150 SB 135/175 209451 Top 1st Baffl e HE 37031C HE 23031C SPCOH219 2 off 209282 2nd Baffl e HE 37031C HE 23042C SPCOH218 2 off 209280 3rd Baffl...
COH 110 - 280 MK2 OIL - PARTS IDENTIFICATION ELECTRICAL ASSEMBLY - All Models Item Description All Models High Limit Stat SPCOH015 Control Board SPCOH2/001 Boiler & Pool Temperature Sensor SPCOH2/002 Pressure Gauge SPCOH2/003 Control Knob (2 Places, not shown) SPMB3411 Stop Ring (not shown)
Page 36
COH 110 - 280 MK2 OIL - PARTS IDENTIFICATION Item Description Heat Exchanger HE 26451C HE 14551C HE 47651C HE 51351C 1st Baffl e HE 51031C HE 23041C 2 off HE14034C 1 off HE47061 2nd Baffl e 2 off unless stated HE 51032C HE 23042C HE14035C...
COH 110 - 280 OIL MK2 - FLUEING OPTIONS HORIZONTAL BALANCED FLUE REAR A 785 1320 B 142 C 175 LEFT RIGHT SIDE VIEW Service clearance PLAN VIEW Allow 10mm clearance around flue to brickwork Model L, Length range mm Part No Description Rear...
One of the boilers is a ‘master’, the others are ‘slaves’. The master shares the work between itself and the slaves. The network can contain any Genie C, Genie S, Genie Dual and OIL type heaters.
Page 40
NETWORKING - If the display is blank then it means that the slave is not available for pool heating. This can be because it has no power, because the pool pot is off, or because there is a fault indicated on its LEDs.
MULTIMETER VALVES Useful Values ( at ambient temperature of 18ºC) Typical Model Item value Min value Value Genie (All Models) Fan 230V (Windings) Resistance 2.4m 2.3m 2.9m Gas Valve (Coil V1) Resistance 2.8k 2.6k 3.0k Gas Valve (Coil V2) resistance 1.6k 1.3k 1.8k...
Need help?
Do you have a question about the Genie S and is the answer not in the manual?
Questions and answers