Phase 1. GVS Fail safe isolator. ELCB MCB/ Fuse. thermostat at 65⁰C. Slave Control Cables SSR2. for Immersion. Live Only

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1 Wireless connection CYOZ 0.75mm 2 core Screened Control cable Mains cable Phase 1 Renewable Generators Distribution Board Phase 1 AC Isolator GVS Fail safe isolator ELCB MCB/ Fuse Din Rail. ACVT vAC step down Transmer Control Cable from EMMA to Throttle Inverter DC AC MGCT Correctly Sized Fused Breaker HHCT 24v AC Henley Block Comms Cables Meter Box Cylinder 1 24v AC Mains L1 Clamp-on thermostat or temperature sensor. Heat Store EMMA 4G Electric heaters thermostat at 65⁰C. Slave Control Cables Isolation or Optional switchover set at lower temp than cut out by default. 3kW immersion SSR2 Controlled 0-3kW Variable Supply Electric heater thermostat at 65⁰C. 3kW immersion SSR1 Controlled SSR1 Live Only SSR2 Live Only Drawing No. TP45/135 Export Control Cascade Phase 1. Not to Service. SP15/45 with EC 12kW Single Phase. SP 15/45 Export Control Cascade.

2 Wireless connection CYOZ 0.75mm 2 core Screened Control cable Mains cable Phase 2 Renewable Generators Distribution Board Phase 1 AC Isolator GVS Fail safe isolator ELCB MCB/ Fuse Din Rail. ACVT vAC step down Transmer Control Cable from EMMA to Throttle Inverter DC AC MGCT Correctly Sized Fused Breaker HHCT 24v AC Henley Block Comms Cables Meter Box Cylinder 1 24v AC Mains L1 Clamp-on thermostat or temperature sensor. Heat Store EMMA 4G Electric heaters thermostat at 65⁰C. Slave Control Cables Isolation or Optional switchover set at lower temp than cut out by default. 3kW immersion SSR2 Controlled 0-3kW Variable Supply Electric heater thermostat at 65⁰C. 3kW immersion SSR1 Controlled SSR1 Live Only SSR2 Live Only Drawing No. TP45/135 Export Control Cascade Phase 2. Not to Service. SP15/45 with EC 12kW Single Phase. SP 15/45 Export Control Cascade.

3 Wireless connection CYOZ 0.75mm 2 core Screened Control cable Mains cable Phase 3 Renewable Generators Distribution Board Phase 1 AC Isolator GVS Fail safe isolator ELCB MCB/ Fuse Din Rail. ACVT vAC step down Transmer Control Cable from EMMA to Throttle Inverter DC AC MGCT Correctly Sized Fused Breaker HHCT 24v AC Henley Block Comms Cables Meter Box Cylinder 1 24v AC Mains L1 Clamp-on thermostat or temperature sensor. Heat Store EMMA 4G Electric heaters thermostat at 65⁰C. Slave Control Cables Isolation or Optional switchover set at lower temp than cut out by default. 3kW immersion SSR2 Controlled 0-3kW Variable Supply Electric heater thermostat at 65⁰C. 3kW immersion SSR1 Controlled SSR1 Live Only SSR2 Live Only Drawing No. TP45/135 Export Control Cascade Phase 3. Not to Service. SP15/45 with EC 12kW Single Phase. SP 15/45 Export Control Cascade.

4 Main Input E N L PHOENIX CONTACT DC OK STEP POWER Input AC VAC L(+) N(-) 2 Core Control Cable To Throttle Drawing No. EMMA 4G Control Hub. Not to Service. EMMA GVS Single phase with Resistive Heating Load.

5 Step 1 HHCT Wiring HHCT VDC V DC CMN 0 10V DC + Drawing No. SP15/75 GVS Cascade PV. Not to SP15/45 GVS Cascade

6 Step 2 MGCT Wiring MGCT VDC V DC CMN 0 10V DC + Drawing No. SP15/75 GVS Cascade PV. Not to SP15/45 GVS Cascade

7 Step 3 Temp Sensor Wiring Not Required on Large systems with Heater Batteries Temp Sensor 0-10V DC CMN 0 10V DC + Drawing No. SP15/75 GVS Cascade PV. Not to SP15/45 GVS Cascade

8 Step 4 Boost Button Wiring. Pre-Wired in Control Hub. Not Recommended on Large systems Boost Button 0-10V DC CMN 0 10V DC + Drawing No. SP15/75 GVS Cascade PV. Not to SP15/45 GVS Cascade

9 Step 5 AC Voltage Transducer Wiring ACVT + - PALADIN ACVT / V-AC V ~ V -- L N Fuse board/spur 240V AC Neutral 240V AC Live 0-10V DC CMN 0 10V DC + Drawing No. SP15/75 GVS Cascade PV. Not to SP15/45 GVS Cascade

10 Step 6 GVS Isolation Signal Wiring Triplacted across three phases Not supplied as standard by Cool Power Products For isolation of G59 Relay R3 24V AC Transmer THW 230V 24V L N V + - Isolation Signal Relay 24V 50Hz 60Hz SCHRACK BZ R3 2 R4 Isolation Signal Relay R4 Output from Transmer 24V to RLY CMN 1 on EMMA Controller Output from Transmer 24V + to on Isolation Signal Relay To Neutral Block To Transmer MCB To on Isolation Signal Relay 240V AC Neutral 240V AC Live 24V AC Neutral 24V AC Live Drawing No. Three Phase Isolation Schematic. Not to

11 Step 7 G59 Isolation Signal Wiring G59 Relay Not Supplied by Cool Power Products G59 Relay control Wiring Neutral G59 Relay control Wiring Live R3 R3 R3 24V 50Hz 60Hz 1 R3 2 R4 SCHRACK BZ Isolation Signal Relay L1 24V 50Hz 60Hz 1 R3 2 R4 SCHRACK BZ Isolation Signal Relay L2 24V 50Hz 60Hz 1 R3 2 R4 SCHRACK BZ Isolation Signal Relay L3 G59 Isolation Relay R4 R4 R4 Drawing No. Three Phase Isolation Schematic. Not to

12 Step 8 SSR1 4 Control Wiring from EMMA controller 0-10V DC CMN 0 10V DC + Output 40A Output 40A SSR SSR Input Input From EMMA SSR1 Control Output SSR1 From EMMA Controller CMN From EMMA SSR2 Control Output SSR2 From EMMA Controller CMN Shared CMN to SSR s 1-5 SSR2 Control Output + SSR1 Control Output + Drawing No. SSR Signal Voltage Control Wiring Not to Service. Control Wiring Of SSR1-4.

13 Step 9 SSR Wiring to Regulations may required a fused breaker between the SSR and each Immerison Earth Neutral 3kW Load Live IN Live Out Earth 120/240V~ Output SSR 50A 1 2 Input VDC V AC Neutral 240V AC Live DC CMN DC + Drawing No. SP15/75 GVS Cascade PV. Not to

14 Step 9 EMMA 4G Power Throttle Wiring 3kW Load 0-3kW Variable Supply EMMA 4G Power Throttle 240V AC Neutral 240V AC Live Earth Drawing No. SP15/30 GVS Cascade PV. Not to

15 Step J11 J3 J4 0-10V DC CMN 0 10V DC + Drawing No. SP15/30 GVS Cascade PV. Not to Service. EMMA GVS Single phase with Resistive Heating Load.