Quantech QTH1 0035 Quick Start Manual Download Page 17

Page: 17 / 20

Figure 17:

SC-EQ card location, MAC address and BAS connection port

Callout

Description

Callout

Description

MAC address DIP switch

BAS port J3

Figure 18:

SC-EQ card

Callout

Description

Callout

Description

USB port

EQ 485 port

Flash IC

Connected services RJ

Debug

BAS 485 port

MAC address switch

Power supply input 100 VAC to 240 VAC

Quantech

Form QTH1-QSG1

Issue date: 12/20/2023

Summary of Contents for QTH1 0035

Page 1: ...35 0075 0105 and 0140 Air Cooled Inverter Scroll Chiller and Heat Pump 35 Ton to 140 Ton Air Cooled Scroll Liquid Chillers Quick Start Guide New Release Form QTH1 QSG1 1223 Issue Date December 20 2023...

Page 2: ...dividual shall also be familiar with and comply with all applicable industry and governmental stan dards and regulations pertaining to the task in question Safety symbols The following symbols are use...

Page 3: ...All wiring must be in accor dance with Johnson Controls published specifications and must be performed only by a qualified electrician Johnson Controls will NOT be responsible for damage problems resu...

Page 4: ...onfiguration power on 10 Mechanical checks 10 Modular units installation 15 Micro DIP switch configuration SW301 from 1 to 5 15 Quantity of combined modules 15 Micro DIP switches configuration SW301 f...

Page 5: ...c connections refer to Form QTH1 ICOM1 Single unit Electrical checks power off The QTH1 requires an electrical connection with a power of 460 VAC 60 Hz Refer to Technical data in Form QTH1 ICOM1 for m...

Page 6: ...gle module Flow switch SFM2 80L 93 XT2 Figure 4 Hot water flow switch SFM2 single module External interlock Install an electrical link on terminals 80H 88 XT2 if required Figure 5 External interlock M...

Page 7: ...l for the start or stop switch Figure 6 Location of the HMI on the units Configuring the unit for remote operation mode selection 1 Wire dry contacts to XT2 terminals 80F 86 for cooling or heating mod...

Page 8: ...g be tween the hydro kit and control panel needs to be fin ished in the field except for hydro kits combined with units such as 0035PJP Outlet pipe heater of cold water hydro kit EPH14 The active cont...

Page 9: ...tance is calculated taking the cable diameters shown in this table For longer lengths and for cables laying with other cables the minimum cable diameter must be recalculated to a higher value to allow...

Page 10: ...e access level indication in the upper right cor ner changes accordingly Configuring the language 1 In access level O press HMI in the menu 2 Select Language Setpoint select the appropriate language a...

Page 11: ...quid temperature setpoints in Cool Heat EWT Setpoint or Cool Heat LWT Setpoint 3 Set according to cooling heating control selection For setpoint temperature less than 40 F 4 4 C see Low temperature le...

Page 12: ...n You can only clear the fault history with S level access Active faults are colored blue while recognized faults in the fault history are colored black Press on a fault item to access detailed inform...

Page 13: ...he micro DIP switches SW301 6 SW301 7 and SW301 8 on each control board relate to the unit mod ule type either two pipe PJP or four pipe PJS These three DIP switch are set in the factory according to...

Page 14: ...wo mod ules set the quantity of modules to 2 Each mod ule has a control panel Sequence module selection 1 In access level O press Unit in the menu and se lect Unit Selection 2 To view the data of each...

Page 15: ...rn temperature control it is not necessary to have an additional system return water temperature sensor Otherwise if using a leaving temperature con trol connect an additional system leaving temperatu...

Page 16: ...ps to be connected and mon itored through a single controller Each unit features a touchscreen display that has an easy to use web style interface and intuitive navigation for easy access to op eratio...

Page 17: ...iption A MAC address DIP switch B BAS port J3 Figure 18 SC EQ card Callout Description Callout Description A USB port E EQ 485 port B Flash IC F Connected services RJ C Debug G BAS 485 port D MAC addr...

Page 18: ...d to converter B or To avoid malfunc tion ensure it is connected correctly Table 4 on page 18 outlines the cable length and type for interconnections Figure 19 Leader follower modules communication wi...

Page 19: ...OFF Control Select Comm BAS and HMI selection Modbus and BACnet For the most recent points lists and protocol instruc tion for the two pipe and four pipe units refer to the Points List Two Pipe Equip...

Page 20: ...Quantech Incorporated www Quantech HVAC com Subject to change without notice Printed in USA Copyright 2023 All Rights Reserved Form QTH1 QSG1 1223 Issue Date December 20 2023 Supersedes New Release...

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