GRUNDFOS INSTRUCTIONS UPZCV-3, 4, 6 Multi-zone valve control Installation and operating instructions
English (US) English (US) Installation and operating instructions Original installation and operating instructions. These installation and operating instructions describe Grundfos UPZCV-3, -4, -6. Sections 1-4 give the information necessary to be able to unpack, install and start up the product in a safe way. Sections 5-8 give important information about the product, as well as information on service and disposal of the product.
1.3 Symbols used in this document 2. Receiving the product 2.1 Inspecting the product Examine the components carefully to make sure no damage has occurred to the pump during shipment. 3. Installing the product WARNING Electrical shock and potential circuit damage. Disconnect the power supply before beginning installation. All wiring must comply with national and local electrical codes, ordinances and regulations.
English (US) 3.2 Electrical installation CAUTION Caution Class 2 wiring must be segregated from the wiring of Class 1 circuits. When Class 2 wiring is routed with Class 1 wiring, the Class 2 wiring insulation must be rated for the minimum voltage of the Class 1 wiring. Segregation is not required if all circuits are wired as Class 1, electric light or power circuits. 3.2.1 Wiring connections • All electrical connections must be made using copper wire only.
English (US) Aquastat 2-wire thermostat 3-wire thermostat Jumper 4-wire thermostat C 4 W 3 R 2 C 1 W 4 R 3 C Dip switches W R Rh W C Slave Master C W C OFF 30 sec./14 days Pump Exercise ON Exercise 30 sec./72 hrs. W R 2 1 R Jumper 4 3 OFF 60 minutes Priority ON Priority 30 min.
Master board Slave C B A Master E X P A N S I O N Slave C B A E X P A N S I O N Slave board Fig. 3 UPZCV multi-zone valve board expansion See fig. 3. • You can only use the MASTER controller with PRIORITY. • When priority calls, the MASTER board will produce 5 VDC between terminals B and C. This tells the SLAVE board to turn off any zones that are calling for heat. This also will close the contacts XX PRIORITY.
English (US) 4. Starting up the product 4.1 LED diagnostics The power indicator light "Grundfos" is lit when you power on the unit. ZONE 1 ZONE 2 ZONE 3 UPZCV-6 6 Valve Zone Relay Part Number: 98863570 Input: 120VAC 50/60Hz 20A MAX Listed Certified to CSA C22.2 No 24 Conforms to UL Standard 873 ZONE 4 Fig.
English (US) 5. Product introduction 5.2 Identification 5.1 Features and benefits 5.2.1 Part numbers • • • • • • • • • • 8 Compatible with 2-, 3-, and 4-wire low voltage controllers or thermostats. Wiring ease with 120 VAC, ground and low voltage screw terminal inputs. Low voltage end-switch output terminals for the zone valves. Replaceable 40 VA transformer (snap-fit) for the zone valve controllers only. Zone priority with selectable time-out feature.
English (US) 6. Servicing the product 6.1 Service parts Part Description Part number 24 VAC transformer Kit, UPZC transformer, 24 VAC - 40 VA 98996452 5 A fuse Kit, UPZC pump fuse, 5-pack 98996468 250 mA fuse Kit, UPZC transformer fuse, pump board 250 mA, 5-pack 98996472 500 mA fuse Kit, UPZC transformer fuse, pump board 500 mA, 5-pack 98996473 7.
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