Bard I30H1, I30H1D, I36H1, I36H1D, I42H1, I42H1D, I48H1, I48H1D, I60H1, I60H1D FIGURE 19 HEAT PUMP WITH COMBINATION CRV AND DB ECONOMIZER (N VENT CODE)

Manual 2100-549G

Page 29 of 59

Y1R

CRV/ECON Wiring Harness

BROWN/WHITE

8W3

24V A

B/W1

GRAY

to N.C fire alarm circuit if emergency shutdown required.

COM

Factory installed jumper. Remove jumper and connect

3 Additional wire required for dehumidification models.

PURPLE/WHITE

Model #CS9B-THOC or

Term. Strip 6

YELLOW/BLACK

MIS-3270

O/BY1

PURPLE

YELLOW

Not needed below 15KW.

ORANGE

BLACK/WHITE

RED/WHITE

Completestat

W1/E

Model #CS9BE-THOC

SC SC

W2 D

Y2W2 L A

Low

Voltage

BLUE

Connect orange wire to "G" terminal

FIGURE 19

HEAT PUMP WITH COMBINATION CRV AND DB ECONOMIZER (“N” VENT CODE)

Only Recommend Bard CS9B-THOC or CS9BE-THOC as Require 3 Heating/Cooling Stages

Contents

Main CONTENTS GETTING OTHER INFORMATION AND PUBLICATIONS FOR MORE INFORMATION, CONTACT THESE PUBLISHERS: GENERAL Manual 2100-549G Page 5 of 59 TABLE 1 FACTORY BUILT-IN ELECTRIC HEAT TABLE 02.05.0058007100210070041 ledoM PSEdetaR PSE.xaM I-TEC Series General Information I-TEC MODEL NOMENCLATURE I36 H 1 D A 0Z R P 4 X X 2 TABLE 1A INDOOR BLOWER PERFORMANCE 11 11 1 TABLE 2 ELECTRICAL SPECIFICATIONS Inner Return Return (2) Retu rn Inner Unit Specification Sheet Top View Right Side View Front View MIS-2917 A WARNING REQUIRED STEPS AFTER FINAL PLACEMENT MINIMUM INSTALLATION HEIGHT SECURING UNIT TO STRUCTURE SEISMIC CONSIDERATIONS Front (Wall Only) View BRACKET WALL SECTION VIEW WOOD FRAMED INSTALLATION (for Wall Attachment) Page FIGURE 4 REQUIRED CLEARANCES & RECOMMENDED ACCESS Page FIGURE 7A DUCTED APPLICATION BASIC UNIT FIGURE 7B 3" RISER APPLICATION FIGURE 7C 6" RISER APPLICATION DUCT WORK FILTERS CONDENSATE DRAIN WITH NO VENT OPTION WITH COMMERCIAL ROOM VENTILATOR WITH ENERGY RECOVERY VENTILATOR FIGURE 11A UNIT MOUNTING I-TEC UNIT FIGURE 11B UNIT MOUNTING INSTALLATION INSTRUCTIONS MOUNTING THE UNIT WIRING MAIN POWER WIRING LOW VOLTAGE WIRING LOW VOLTAGE CONNECTIONS CAUTION FIGURE 13 BASIC HEAT PUMP WITH NO VENTILATION PACKAGE FIGURE 14 HEAT PUMP WITH CRV, WITHOUT CO CONTROL FIGURE 15 HEAT PUMP WITH CRV AND CO CONTROL FIGURE 16 HEAT PUMP WITH ERV, WITHOUT CO CONTROL FIGURE 17 HEAT PUMP WITH ERV AND CO CONTROL (ON/OFF CYCLING) FIGURE 18 HEAT PUMP WITH ERV AND CO CONTROL (FULLY MODULATING) FIGURE 19 HEAT PUMP WITH COMBINATION CRV AND DB ECONOMIZER (N VENT CODE) START UP THESE UNITS REQUIRE R-410A REFRIGERANT AND POLYOL ESTER OIL. GENERAL: TOPPING OFF SYSTEM CHARGE WARNING START UP DESCRIPTION OF STANDARD EQUIPMENT IMPORTANT INSTALLER NOTE PHASE MONITOR THREE PHASE SCROLL COMPRESSOR START UP INFORMATION SEQUENCE OF OPERATION PRESSURE SERVICE PORTS LOWERING OUTDOOR FAN SPEED for SOUND DEFROST CYCLE COMMERCIAL ROOM VENTILATOR SYSTEM GENERAL DESCRIPTION RECOMMENDED CONTROL SEQUENCES SETTING THE VENTILATION CFM LEVELS ! WARNING FIGURE 21 CRV MOTOR SPEED/CFM CONFIGURATION MOTOR SPEEDS FIGURE 22 CRV SPEED CHANGE TERMINAL ACCESS BLOWER REMO VED FOR CLARITY COMBINATION CRV & ECONOMIZER VENTILATION SYSTEM DESCRIPTION SETTING THE VENTILATION CFM LEVELS ECON. SEQUENCE OF OPERATION FIGURE 23 ECONOMIZER CONTROL CIRCUIT On call from CompleteStat for first and second stage cooling: On call from CompleteStat for first, second and third stage cooling: HEATING MODE OPERATION VENTILATION MODE ENERGY RECOVERY VENTILATOR SYSTEM GENERAL DESCRIPTION RECOMMENDED CONTROL SEQUENCES ! WARNING CHANGING VENTILATION CFM RATES IN MANUAL MODE CHANGING TO FULLY MODULATING MODE Note: All performance data is based on operating intake and exhaust blower on the same speed. WINTER HEATING PERFORMANCE (INDOOR DESIGN CONDITIONS 70F DB) PERFORMANCE AND APPLICATION DATA SUMMER COOLING PERFORMANCE (INDOOR DESIGN CONDITIONS 75DB/62WB) FIGURE 25A ERV MANUAL MODE JUMPER PIN ON M TERMINAL FIGURE 25B ERV MODULATING MODE JUMPER PIN ON P TERMINAL Page FIGURE 27 ERV ACCESS CONFIGURING BARD PART #8403-067 CO CONTROL for ERV MODULATING CONTROL BARD PART #8403-067 SPECIFICATIONS CONFIGURING BARD PART #8403-067 CO CONTROL for ERV MODULATING CONTROL (Continued) MOUNTING MENU MENU PJ4 PJ4 OFFON ON ACCESSING MENU PARAMETERS U V MENU DESCRIPTIONS ENERGY RECOVERY VENTILATOR MAINTENANCE GENERAL INFORMATION FREQUENCY CLEANABILITY AND PERFORMANCE MAINTENANCE PROCEDURES QUARTERLY MAINTENANCE ANNUAL MAINTENANCE TROUBLESHOOTING CHECKING TEMPERATURE SENSOR TABLE 6 TEMPERATURE (F) VS RESISTANCE (R) OF TEMPERATURE SENSOR TROUBLESHOOTING ECM 142R OUTDOOR FAN MOT OR EXPOSED MOVING PARTS. SUPPLIES BEFORE SERVICING. WARNING ! WARNING HAZARD OF ELECTRICAL SHOCK. ELECTRICAL SHOCK CAN RESULT TROUBLESHOOTING ECM 142R OUTDOOR FAN MOT OR REPLACING THE MOTOR USING THE WRONG MOTOR V OIDS ALL PRODUCT WARRANTIES AND MAY PRODUCE UNEXPECTED RESULTS. TROUBLESHOOTING INDOOR ECM BLOWER MOT ORS Symptom Cause/Procedure Do Dont Moisture Check Comfort Check TROUBLESHOOTING INDOOR ECM BLOWER MOTORS (Contd.) Replacing ECM Control Module TROUBLESHOOTING ECM BLOWER MOTORS (Contd.) FAN BLADE SETTING DIMENSIONS REFRIGERANT CHARGE TABLE 10A FULL LOAD COOLING PRESSURE/TEMPERATURE 1H03I 1H06I 1H84I 1H24I TABLE 11A PART LOAD COOLING PRESSURE/TEMPERATURE TABLE 11B PART LOAD HEATING PRESSURE/TEMPERATURE

Bard FIGURE 19 HEAT PUMP WITH COMBINATION CRV AND DB ECONOMIZER (N VENT CODE)

Models: I30H1 I30H1D I36H1 I36H1D I42H1 I42H1D I48H1 I48H1D I60H1 I60H1D

FIGURE 19

HEAT PUMP WITH COMBINATION CRV AND DB ECONOMIZER (“N” VENT CODE)